CN102608639A - Method For Location Determination of Wireless Device - Google Patents
Method For Location Determination of Wireless Device Download PDFInfo
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- CN102608639A CN102608639A CN2011104418037A CN201110441803A CN102608639A CN 102608639 A CN102608639 A CN 102608639A CN 2011104418037 A CN2011104418037 A CN 2011104418037A CN 201110441803 A CN201110441803 A CN 201110441803A CN 102608639 A CN102608639 A CN 102608639A
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- wireless device
- acceleration
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- translational acceleration
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
- G01S19/49—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
A method for location determination of a wireless device is disclosed, the method is performed by the wireless device mounted with a gyroscope sensor and receiving position information from artificial satellites, and a positioning period is adaptively adjusted based on degree of mobility of the wireless device using the position information received from GPS and a gyroscope sensor embedded in the wireless device.
Description
The application requires to enjoy on Dec 27th, 2010 applying date formerly and right of priority that submit to, the 10-2010-0135546 korean patent application, and the full content of this application is contained in this by reference.
Technical field
Exemplary embodiment of the present disclosure can relate to the location determining method of wireless device, and relates in particular to GPS (Global Positioning System, GPS) location determining method of the middle wireless device that uses.
Background technology
Through comprising the correlation function part of the position that is used for calculating the mobile communications network terminal, GSM is provided for providing to a certain entity the location-based service of terminal location periodically or in response to request.(Location based service LBS) relates generally to the user service about the information of this customer location is provided location based services.
That is to say; LBS is such service: the chip attach that will be connected to base station or GPS is to portable terminal; With receive various uses about portable terminal or user position information, location based services, comprise location tracking service, public safety service and location-based information service.
More particularly; Location based services (LBS) relates generally to the user the various services about the information of customer location are provided based on the positional information that obtains through the wired or wireless communication network; And can roughly be divided into two kinds of methods; That is, use the honeycomb method and the method for using GPS of mobile communication base station.
The shortcoming of honeycomb method is because site error possibly surpass several kms, so be difficult to the position of accurate positioning, but advantage be because use relay system, so even in buildings or at basement, also locate easily.
Satellite-based GPS (GPS) also can be used to confirm the position of portable terminal.The GPS scheme is usually compared with the method for source honeycomb more accurately (site error scope at the most only hundreds of rice), but because the characteristic of satellite-signal, and when in-house operation that need be in reflection and refraction easily, the GPS scheme has limited purposes.
Summary of the invention
The disclosure is intended to solve these shortcomings through the location determining method that a kind of wireless device is provided; Wherein if necessary; The positional information that use receives from GPS be embedded in the gyro sensor this wireless device, adjust locating periodically adaptively based on the mobile degree of wireless device.
The technical theme that the disclosure will solve is not limited to above-mentioned explanation, and those skilled in the art can know other technical matters that understanding is not also mentioned from following description.
The method that an aspect of the present disclosure provides a kind of position of wireless device to confirm; By gyro sensor being installed and carrying out this method from the said wireless device of GPS receiving position information, this method may further comprise the steps: (a) use the positional information that receives from GPS to confirm the position of wireless device; (b) if said wireless device is positioned at the down town; Then use said gyro sensor to obtain the translational acceleration of said wireless device; And the first benchmark acceleration and the said translational acceleration that will be scheduled to compare, to upgrade the locating periodically of said wireless device based on this comparative result; And if (c) said wireless device is positioned at the suburb; Then use said gyro sensor to obtain the translational acceleration of said wireless device; And the second benchmark acceleration and the said translational acceleration that will be scheduled to compare, to upgrade the locating periodically of said wireless device based on this comparative result.
Preferably, this method comprises that also (d) confirms that this device is positioned at the down town or is positioned at the suburb.
Preferably, step (d) comprises use number of base stations, honeycomb radius and said definite from least one execution in the intensity that transmits of base station.
Preferably; Step (d) comprise if number of base stations greater than predetermined benchmark number and honeycomb radius less than the benchmark radius; Confirm that then this wireless device is positioned at the down town, and if be higher than benchmark intensity from the intensity that transmits of base station, confirm that then this wireless device is positioned at the suburb.
Preferably; Step (b) may further comprise the steps: (e) calculate the translational acceleration of wireless device, whether the translational acceleration of (f) confirming to measure greater than the first benchmark acceleration, if the translational acceleration of (g) confirming to measure is less than the first benchmark acceleration; Then prolong locating periodically; And if the translational acceleration of (h) confirming to measure then shortens locating periodically greater than the first benchmark acceleration, and in completing steps (g) and (h) execution in step (a) afterwards.
Preferably; Step (c) may further comprise the steps: (i) calculate the translational acceleration of wireless device, whether the translational acceleration of (j) confirming to measure greater than the second benchmark acceleration, if the translational acceleration of (k) confirming to measure is less than the second benchmark acceleration; Then prolong locating periodically; And if the translational acceleration of (l) confirming to measure then shortens locating periodically greater than the second benchmark acceleration, and in completing steps (k) and (l) execution in step (a) afterwards.
Preferably, the first benchmark acceleration is less than the second benchmark acceleration.
Preferably, carry out the calculating of translational acceleration through gyro sensor.
Preferably, if the user of wireless device indicates the location, then with limit priority execution in step (a).
The method that another aspect of the present disclosure provides a kind of position of wireless device to confirm; This method is by being equipped with gyro sensor and carrying out from the wireless device of GPS receiving position information, and this method comprises: (a) use the positional information that receives from GPS to confirm the position of wireless device; (b) the use gyro sensor obtains the translational acceleration of wireless device, and predetermined benchmark acceleration and said translational acceleration compared, to upgrade the locating periodically of wireless device based on this comparative result.
Preferably; Step (b) may further comprise the steps: (c) calculate the translational acceleration of wireless device, whether the translational acceleration of (d) confirming to measure greater than the benchmark acceleration, if the translational acceleration of (e) confirming to measure is less than the benchmark acceleration; Then prolong locating periodically; And if the translational acceleration of (f) confirming to measure then shortens locating periodically greater than the benchmark acceleration, and in completing steps (e) and (f) execution in step (a) afterwards.
Preferably, carry out the calculating of translational acceleration through gyro sensor.
Preferably, if the user of wireless device indicates the location, then with limit priority execution in step (a).
Other advantage of the present disclosure, purpose and characteristic will partly provide in the following description; And those skilled in the art will partly understand other advantage of the present disclosure, purpose and characteristic through testing following description, perhaps can learn other advantage of the present disclosure, purpose and characteristic through implementing the disclosure.Purpose of the present disclosure can realize through the structure of in instructions and claims and accompanying drawing, specifically noting or obtain with other advantage.
Should be appreciated that, more than general description and of the present disclosure below to describe in detail be exemplary with illustrative, and intention provides desired disclosed further explanation.
Location determining method according to wireless device of the present disclosure has beneficial effect; Adjust big power consumption network positions and GPS locating periodically because use gyro sensor adaptively based on the static and mobile degree of wireless device; Thereby the location institute consumed current through minimally use labor power can make the general power of wireless device consumption minimize.As a result, service time that can the significant prolongation wireless device.
Description of drawings
Comprise accompanying drawing so that the further understanding to configuration of the present disclosure and embodiment to be provided, and this accompanying drawing comprises in this application and constitutes the application's a part.
Fig. 1 is the signal flow graph according to the location determining method of wireless device of the present disclosure.
Other advantage of the present disclosure, purpose and characteristic will partly provide in the following description; And those skilled in the art will partly understand other advantage of the present disclosure, purpose and characteristic through testing following description, perhaps can learn other advantage of the present disclosure, purpose and characteristic through implementing the disclosure.Purpose of the present disclosure can realize through the structure of in instructions and claims and accompanying drawing, specifically noting or obtain with other advantage.
Embodiment
Describe exemplary embodiment of the present disclosure with reference to the accompanying drawings in detail.Should be appreciated that for illustration simply and/or clearly, illustrative element not necessarily is shown to scale among the figure.For example, for clear, some size of component are exaggerated with respect to other elements.In addition, under suitable situation, reference number is repeated to represent corresponding and/or similar elements among the figure.
Thereby can define specific term and describe the disclosure with the optimal mode that the inventor was known.Therefore, the particular term of in instructions and claims, using or the meaning of vocabulary should not be confined to implication literal or that adopt usually, but should understand according to spirit of the present disclosure and scope.Therefore can confirm the definition of these terms based on the content of whole instructions.
In following detailed description, explain that a plurality of specific detail are to provide the complete understanding to desired theme.Yet one skilled in the art will appreciate that not to have implementing desired theme under the situation of these specific detail.In addition, known method, process, assembly and/or circuit are not carried out detailed description.In this article; Term " first ", " second " etc. are order of representation, quantity or importance not, but be used for an element is distinguished with another element mutually, and in this article; Term " one ", " one " do not represent the logarithm quantitative limitation, but there is at least one mentioned item in expression.In following instructions and/or claims, " coupling " and/or " connection " and their derivatives can use a technical term.In a particular embodiment, " connection " can be used for representing the mutual direct physical of two or more elements and/or electrically contact." coupling " meant two or more element direct physical and/or is electrically contacted.Yet " coupling " can also mean the not directly contact each other of two or more elements, but still can cooperate and/or interact.For example, " coupling " can mean that two or more elements do not contact each other, but combines indirectly through another element or intermediary element.In addition, term " and/or " can mean " with ", it can mean " or "; It can mean " exclusive or "; It can mean " one ", and it can mean " some but be not whole ", and it can mean " neither "; And/or it can mean " both ", although the scope of desired theme is not limited to this respect.In following instructions and/or claims, can use a technical term " comprising " and " comprising " and their derivatives, and be intended to them each other as synonym.In addition, in this detail specifications and/or claims, use a technical term " comprising ", " having ", " having ", " having " or their distortion are " to comprise " that with term similarly mode is represented comprising of nonexcludability.
Core concept of the present disclosure is to consume the position that smaller power discerns exactly wireless device; And for this purpose; Carry out the GPS location of independent solution with normal timing cycle property ground; And use gyro sensor to obtain the movability of wireless device, locate and consumed current to adjust locating periodically based on mobile degree and to be minimised as, and in case of emergency minimally uses the A-GPS scheme based on hand-held device that consumes a large amount of power.
Hereinafter,, wireless device carries out this description can be directly being equipped with the supposition of gyro sensor from satellite receiving position information and wireless device under.
Fig. 1 is the signal flow graph according to the location determining method of wireless device of the present disclosure.
With reference to Fig. 1, may further comprise the steps according to the location determining method 100 of wireless device of the present disclosure: location 110, confirm under the wireless device zone 120, measure the position 130 in the down town and measure the position 140 in the suburb.
The positional information that positioning step 110 uses receive from artificial satellite is confirmed the position of wireless device.
The step 120 of confirming the wireless device affiliated area is used the number, honeycomb radius of the base station around the wireless device and is confirmed that from the intensity that transmits of base station at least one wireless device is positioned at the down town and still is positioned at the suburb.
Number of base stations around wireless device is greater than under predetermined the benchmark number and the situation of honeycomb radius less than the benchmark radius; Confirm that wireless device is positioned at the down town; And the intensity that transmits from the base station is higher than under the situation of benchmark intensity, confirms that wireless device is positioned at the suburb.
If definite result as step 120; Confirm that wireless device is positioned at down town (being); Then carry out to measure the step 130 of the position in the down town, and step 130 comprises that movability confirms step 131, wireless device acceleration calculation step 132, acceleration comparison step 133, the first locating periodically set-up procedure 134 and the second locating periodically set-up procedure 135.
Movability confirms that step 131 uses gyro sensor to confirm the stationary state or the mobile status of wireless device.Confirming under the situation that wireless device remains static (denying) that flow process keeps confirming at interval with preset time whether wireless device is moving.
If confirm that as movability definite result of step 131 confirms that wireless device moves (being); Then wireless device acceleration calculation step 132 is calculated the translational acceleration of wireless device; Wherein movability confirms that step 131 and wireless device acceleration calculation step 132 can be referred to as the translational acceleration measuring process, and it is carried out by gyro sensor.Whether the translational acceleration of the wireless device that acceleration comparison step 133 is confirmed to calculate is higher than the first benchmark acceleration.
If the translational acceleration of confirming to calculate as definite result of acceleration comparison step 133 is greater than the first benchmark acceleration (being); Then the first locating periodically set-up procedure 134 shortens locating periodically, makes it possible under the situation of expectation wireless device fast moving, accurately locate.
If the translational acceleration of confirming to calculate as definite result of acceleration comparison step 133 is less than the first benchmark acceleration (denying), then the second locating periodically set-up procedure 135 prolongs locating periodicallies, the power that consumes to be reduced to the location.
After accomplishing the first locating periodically set-up procedure 134, carry out positioning step 110, to upgrade the position of wireless device.After accomplishing the second locating periodically set-up procedure 135, can carry out positioning step 110 to upgrade the position of wireless device, perhaps wireless device can remain on holding state, thereby can the wireless device consumed current be minimized.
If the definite result as step 120 confirms that wireless device is positioned at the suburb; Then carry out to measure the step 140 of the position in the suburb, and step 140 comprises that movability confirms step 141, wireless device acceleration calculation step 142, acceleration comparison step 143, the 3rd locating periodically set-up procedure 144 and the 4th locating periodically set-up procedure 145.
Movability confirms that step 141 uses gyro sensor to confirm the stationary state or the mobile status of wireless device.Confirming under the situation that wireless device remains static (denying) that flow process keeps confirming at interval with preset time whether wireless device is moving.
If confirm that as movability definite result of step 141 confirms that wireless device moves (being); Then wireless device acceleration calculation step 142 is calculated the translational acceleration of wireless device; Wherein movability confirms that step 141 and wireless device acceleration calculation step 142 can be referred to as the translational acceleration measuring process, and it is carried out by gyro sensor.Whether the translational acceleration of the wireless device that acceleration comparison step 143 is confirmed to calculate is higher than the second benchmark acceleration.
If the translational acceleration of confirming to calculate as definite result of acceleration comparison step 143 is greater than the second benchmark acceleration (being); Then the 3rd locating periodically set-up procedure 144 shortens locating periodically, makes it possible under the situation of expectation wireless device fast moving, accurately locate.
If the translational acceleration of confirming to calculate as definite result of acceleration comparison step 143 is less than the second benchmark acceleration (denying), then the 4th locating periodically set-up procedure 145 prolongs locating periodicallies, thereby is reduced to the location and the power that consumes.
After accomplishing the 3rd locating periodically set-up procedure 144, carry out positioning step 110 to upgrade the position of wireless device.After accomplishing the 4th locating periodically set-up procedure 145, can carry out positioning step 110 to upgrade the position of wireless device, perhaps can wireless device be remained on holding state, thereby can the wireless device consumed current be minimized.
At this moment, the first benchmark acceleration is set to less than the second benchmark acceleration.Confirm step 120 although Fig. 1 comprises, should be appreciated that, can not comprise step 120.According to prior art, the position of position-based forced measurement measuring period wireless device, the result is from the artificial satellite receiving position information and through confirming a large amount of power of method consumption of location of wireless devices with base station communication.
The type of service of wireless device depends on who has this wireless device.
For example, the owner who supposes wireless device is the pupil.Under one day movable 12 hours situation of student, consider two-way time and arrangement of time after school, this student stayed in school at least in 6 hours.In the case, power will be wasted in the position of just measuring wireless device per schedule time.In the case, do not have big problem even prolong the measuring period of the position of wireless device yet.
Alternatively, if the emergency condition that the owner of wireless device is abducted appears in supposition, and this wireless device is much faster as to move than normal translational speed (translational acceleration), then must shorten measuring period to guarantee the accurate measurement of wireless device.The disclosure satisfies above two kinds of situation together.
Industrial applicability
Therefore; Owing to compare with the predetermined period localization method, power consumption is relatively low, has industrial applicability according to the location determining method of wireless device of the present disclosure; To increase the service efficiency of battery when needed; This is because when measuring location of wireless devices, omit the honeycomb method that consumes a large amount of power, and the opposite gyro sensor that embeds of adopting to be obtaining the movability of wireless device, thereby adjusts locating periodically adaptively based on this movability.
Another industrial applicability is, if the owner of wireless device wants to know his or her accurate position, then through preferentially receiving and showing from the positional information of satellite and to the wireless device input instruction, can realize accuracy and high-level efficiency.
Using gyro sensor to measure displacement is well-known to those skilled in the art with the position of upgrading wireless device, therefore it is not further carried out unnecessary description.
Yet, can realize with multiple no form according to the said method that the position that is used for wireless device of the present disclosure is confirmed, and should not be understood that to be confined to the embodiment that this paper provides.Therefore, embodiment of the present disclosure is intended to cover modification of the present disclosure and distortion, as long as they are in the scope of accompanying claims and equivalent thereof.
Although disclose specific characteristic or aspect about several embodiment, as required, these characteristics or aspect can optionally combine with one or more further feature and/or the aspect of other embodiment.
Claims (13)
1. the location determining method of a wireless device, this method is by being equipped with gyro sensor and carrying out from the said wireless device of GPS receiving position information, and the method comprising the steps of: (a) use the positional information that receives from GPS to confirm the position of wireless device; (b) if said wireless device is positioned at the down town; Then use said gyro sensor to obtain the translational acceleration of said wireless device; And the first benchmark acceleration that will be scheduled to and said translational acceleration are carried out relatively, to upgrade the locating periodically of said wireless device based on this comparative result; And if (c) said wireless device is positioned at the suburb; Then use said gyro sensor to obtain the translational acceleration of said wireless device; And the second benchmark acceleration that will be scheduled to and said translational acceleration are carried out relatively, to upgrade the locating periodically of said wireless device based on this comparative result.
2. method according to claim 1 comprises that also (d) confirms that said device is positioned at the down town or is positioned at the suburb.
3. method according to claim 2, wherein step (d) comprises use number of base stations, honeycomb radius and said definite from least one execution in the intensity that transmits of said base station.
4. method according to claim 3; Wherein step (d) comprise if said number of base stations greater than predetermined benchmark number and honeycomb radius less than the benchmark radius; Confirm that then said wireless device is positioned at the down town; And if were higher than benchmark intensity from the intensity that transmits of said base station, would confirm that then said wireless device is positioned at the suburb.
5. method according to claim 1; Wherein step (b) may further comprise the steps: the translational acceleration that (e) calculates said wireless device; Whether the translational acceleration of (f) confirming to measure is greater than the said first benchmark acceleration; (g) if the translational acceleration of confirming to measure less than the said first benchmark acceleration, then prolongs said locating periodically, and if the translational acceleration of (h) confirming to measure greater than the said first benchmark acceleration; Then shorten said locating periodically, and in completing steps (g) and (h) execution in step (a) afterwards.
6. method according to claim 1; Wherein step (c) may further comprise the steps: the translational acceleration that (i) calculates said wireless device; Whether the translational acceleration of (j) confirming to measure is greater than the said second benchmark acceleration; (k) if the translational acceleration of confirming to measure less than the said second benchmark acceleration, then prolongs said locating periodically, and if the translational acceleration of (l) confirming to measure greater than the said second benchmark acceleration; Then shorten said locating periodically, and in completing steps (k) and (l) execution in step (a) afterwards.
7. method according to claim 6, the wherein said first benchmark acceleration is less than the said second benchmark acceleration.
8. according to claim 5 or 6 described methods, wherein carry out the calculating of said translational acceleration through said gyro sensor.
9. method according to claim 1 is if wherein the user of said wireless device indicates the location, then with limit priority execution in step (a).
10. the location determining method of a wireless device; This method is by being equipped with gyro sensor and carrying out from the said wireless device of GPS receiving position information, and the method comprising the steps of: (a) use the positional information that receives from GPS to confirm the position of wireless device; (b) the said gyro sensor of use obtains the translational acceleration of said wireless device, and predetermined benchmark acceleration and said translational acceleration are carried out relatively, to upgrade the locating periodically of said wireless device based on this comparative result.
11. method according to claim 10; Wherein step (b) may further comprise the steps: the translational acceleration that (c) calculates said wireless device; Whether the translational acceleration of (d) confirming to measure is greater than said benchmark acceleration; (e) if the translational acceleration of confirming to measure less than said benchmark acceleration, then prolongs said locating periodically, and if the translational acceleration of (f) confirming to measure greater than said benchmark acceleration; Then shorten said locating periodically, and in completing steps (e) and (f) execution in step (a) afterwards.
12. method according to claim 11 is wherein carried out the calculating of said translational acceleration through said gyro sensor.
13. method according to claim 10 is if wherein the user of said wireless device indicates the location, then with limit priority execution in step (a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0135546 | 2010-12-27 | ||
| KR1020100135546A KR101196532B1 (en) | 2010-12-27 | 2010-12-27 | Method for Location Determination of the Wireless device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102608639A true CN102608639A (en) | 2012-07-25 |
| CN102608639B CN102608639B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110441803.7A Expired - Fee Related CN102608639B (en) | 2010-12-27 | 2011-12-26 | Method For Location Determination of Wireless Device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8626190B2 (en) |
| JP (1) | JP5999895B2 (en) |
| KR (1) | KR101196532B1 (en) |
| CN (1) | CN102608639B (en) |
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| CN115175311B (en) * | 2022-09-06 | 2022-12-20 | 上海银基信息安全技术股份有限公司 | Vehicle digital key positioning method and device, vehicle and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102608639B (en) | 2015-06-10 |
| US8626190B2 (en) | 2014-01-07 |
| KR101196532B1 (en) | 2012-11-01 |
| JP2012137488A (en) | 2012-07-19 |
| KR20120073708A (en) | 2012-07-05 |
| JP5999895B2 (en) | 2016-09-28 |
| US20120165042A1 (en) | 2012-06-28 |
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